What does the oxidation number of an element tell you?

Name the rules for oxidation numbers

Complete the sentences:
If an element can have multiple __________ numbers, or isn't in its 'normal' oxidation state, its oxidation number can be shown by using __________ __________. The _________ ___________ are written _______ the name of the element they correspond to.

What do ions with names ending in -ate contain?

What is the formula for sulphate (VI) ions?

What is the formula for sulphate (IV) ions?

What is the formula for nitrate (III) ions?

What is oxidation, in terms of electron transfer?

What is reduction, in terms of electron transfer?

What do oxidising agents do?

What do reducing agents do?

When metals form compounds, what happens to the oxidation number?

When non-metals form compounds, what happens to the oxidation number?

What happens during a redox reaction?

TRUE OR FALSE:
The reaction between acids and metals is a redox reaction

In the following reaction, which compound is oxidised and which compound is reduced?

2K + H₂SO₄ --> K₂SO₄ + H₂